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Climate Comparisons in the MERRA Atlas
The MERRA Atlas provides monthly, annual, seasonal and climate comparisons among several of the latest atmospheric reanalyses (including ERA-Interim, CFSR, and JRA25) and various global observation datasets.
Reanalysis Comparisons on the WRIT webpages
The NOAA-CIRES Web-based Reanalysis Intercomparison Tools (WRIT) has a prototype plotting/comparison page that is available for testing and commenting by reanalyses.org users and others. To obtain a login to reanalyses.org go to Create New Account.
Observational Studies that examine reanalysis datasets and compare them and observations are described here.
Inter-reanalysis studies that intercompare reanalyses are described here.